Welcome to Renewal by Andersen of Northeast PA, the premier supplier of Renewal by Andersen® brand replacement windows and Andersen patio doors throughout the Lehigh Valley, greater Pocono and Scranton/Wilkes-Barre regions. You already know the Andersen Windows name because it’s been the nation’s leader in windows since 1903. That impressive track record has been accomplished by providing exceptional products and an outstanding customer experience for more than a century.